Information In This Chapter; Chapter Four At-A-Glance - Agilent Technologies N5242A Service Manual

Troubleshooting

Information in This Chapter

Information in This Chapter
The information in this chapter helps you:
• Identify the portion of the analyzer at fault.
• Locate the specific troubleshooting procedure to identify the assembly or peripheral at
fault.
The sections in this chapter are arranged in a logical troubleshooting order. The following
table lists the sections and a brief summary of what to look for in that section.

Chapter Four at-a-Glance

Section Title
'Getting Started with
Troubleshooting'
'Power Up Troubleshooting'
'Front Panel Troubleshooting'
'Rear Panel Troubleshooting'
'Measurement System
Troubleshooting'
Instrument Block Diagrams
4-2
Summary of Content
A starting point for troubleshooting.
Power-up problems:
• Power supply problems
• LCD problems
• Bootup for the network analyzer interface
Problems occurring after the network
analyzer interface is loaded:
• Does the display color appear correct?
• Do the front panel keys function
properly?
• Does the front panel USB connector
function properly?
Problems associated with the rear panel
interconnects.
The data found at these rear panel
interconnects can be used to troubleshoot the
CPU board.
Problems with the measurement portion of
the analyzer.
• Checking the A, B, R1, and R2 signals.
• Checking the source group.
• Checking the signal separation group.
• Checking the receiver group.
Block diagrams for the analyzer including all
options.
PNA Series Microwave Network Analyzers
Start Page
Page 4-4
Page 4-6
Page 4-13
Page 4-17
Page 4-23
Page 4-41
Service Guide N5242-90001
N5241A/42A